120 visual diagnostic cards for PC hardware and software faults. Find the symptom, open the card and run the tests in the right order: likely causes ranked, numbered test steps, tools needed and the part not to buy yet. Covers power and boot, no display, restarts, blue screens, overheating, slow performance, SSD and HDD, RAM, motherboard and BIOS, drivers, Windows and laptops. Includes 6 bonuses. Instant PDF download, one-time payment.